18-letter words containing a, r, t, i, n

hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
hyperaldosteronism — aldosteronism.
hyperconcentration — the act of concentrating; the state of being concentrated.
hypernationalistic — a person devoted to nationalism.
hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
hypersensitization — Photography. to treat (a film or emulsion) so as to increase its speed.
hypersexualisation — Alternative spelling of hypersexualization.
hypersexualization — The act or process of hypersexualizing.
hysterical reasons — (Or "hysterical raisins") A variant on the stock phrase "for historical reasons", indicating specifically that something must be done in some stupid way for backward compatibility, and moreover that the feature it must be compatible with was the result of a bad design in the first place. "All IBM PC video adaptors have to support MDA text mode for hysterical reasons." Compare bug-for-bug compatible.
ifs, ands, or buts — a supposition; uncertain possibility: The future is full of ifs.
imaginary operator — An imaginary operator is the part of a complex number that defines the magnitude of the part of the complex number at right angles to the real number part.
in (the) aggregate — If a number of different things or amounts are considered in aggregate, or in the aggregate, they are considered as a single thing or amount.
in accordance with — conforming to
in all probability — the quality or fact of being probable.
in another's shoes — in another's position
in comparison with — when compared to
in fits and starts — Something that happens in fits and starts or by fits and starts keeps happening and then stopping again.
in inverted commas — If you say in inverted commas after a word or phrase, you are indicating that it is inaccurate or unacceptable in some way, or that you are quoting someone else.
in terrorem clause — a clause in a will stating that a beneficiary who contests the will shall lose his or her legacy.
in the affirmative — positively, by saying yes
in the first place — firstly
in the last resort — You use in the last resort when stating the most basic or important fact that will still be true in a situation whatever else happens.
in the near future — soon
in the same breath — the air inhaled and exhaled in respiration.
incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
incremental backup — (operating system) A kind of backup that copies all files which have changed since the date of the previous backup. The first backup of a file system should include all files - a "full backup". Call this level 0. The next backup could also be a full level 0 backup but it is usually much quicker to do a level 1 backup which will include only those files which have changed since the level 0 backup. Together the level 0 and level 1 backups will include the latest version of every file. Level 1 backups can be made until, say, the backup tape is nearly full, after which we can switch to level 2. Each level includes those files which have changed since the last backup at a lower level. The more levels you use, the longer it will take to restore the latest version of a file (or all files) if you don't know when it was last modified. Compare differential backup.
indecent behaviour — the offence of committing indecent acts
indefinite article — an article, as English a, an, that denotes class membership of the noun it modifies without particularizing it.
indentured servant — a person who came to America and was placed under contract to work for another over a period of time, usually seven years, especially during the 17th to 19th centuries. Generally, indentured servants included redemptioners, victims of religious or political persecution, persons kidnapped for the purpose, convicts, and paupers.
indiscriminateness — The state of being indiscriminate.
indiscriminatingly — In an indiscriminating manner.
individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
induction training — training intended to enable new staff and recruits to do their work
inductive relation — A relation R between domains D and E is inductive if for all chains d1 .. dn in D and e1 .. en in E,
industrial diamond — a small often synthetic diamond, valueless as a gemstone, used in cutting tools, abrasives, etc
industrial disease — occupational disease (def 1).
industrial dispute — disagreement between workers and managers
industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
industrial vehicle — a vehicle designed for use in industry
information bureau — an office where you can go to get information
information centre — help desk, office
information island — (jargon) A body of information (i.e. electronic files) that needs to be shared but has no network connection.
information office — an office where you can go to get information
information system — a computer system or set of components for collecting, creating, storing, processing, and distributing information, typically including hardware and software, system users, and the data itself: the use of information systems to solve business problems.
information theory — the mathematical theory concerned with the content, transmission, storage, and retrieval of information, usually in the form of messages or data, and especially by means of computers.
informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
infrared astronomy — the study of infrared radiation emitted by celestial objects.
inner automorphism — an automorphism that maps an element x into an element of the form axa −1 where a −1 is the inverse of a.

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